Solaris Traditional Geocache
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This cache marks the center of our universe (or at least a rather small copy of it). It is the starting point of a 16km hiking trail called "Planetenwanderweg", leading from Freistadt (Sun) to the observatory in Sandl (Pluto - unfortunately not a planet any more ).
Bring your own pencil.
We recommend tweezers or a similar instrument to get the logbook out (no, it's not a nano ).
(No hints available.)